The plot introduces us to a psychologist who suggests to three couples that they engage in a group session, where they will have to analyse each other without her being present. In order to do so, she has left them a number of envelopes containing instructions on the things they have to address. The method she has proposed encourages everyone to share their opinions, argue with...。品的舞台是一个被「天歌」所支配的世界。「天歌」是由幕府直属的最高爱获(顶级偶像团体)·新选组建立的。而对于幕府的行动感到疑惑和愤怒的志士们,则通过摇滚的力量展开革命斗争…。